The Similarity Network of Motion Pictures

Management Science, 66(4)

45 Pages Posted: 31 Aug 2016 Last revised: 2 Dec 2020

See all articles by Yanhao 'Max' Wei

Yanhao 'Max' Wei

University of Southern California - Marshall School of Business

Date Written: November 19, 2018

Abstract

Ideas are connected. New ideas are often seen as creative combinations of previous ideas. I study these connections in the context of motion pictures. A network of 4,445 movies is constructed to indicate which movies are similar. I first examine the properties of the network using descriptive and regression analysis; then, I develop a model of network formation for counterfactual analysis. It is found that most movies imitate and evolve around a “core” of the more successful movies. In addition, imitation is both conventional and atypical: a new movie usually follows a stream of similar movies yet simultaneously combines atypical elements from movies outside this stream. This atypicality, if well balanced, has a positive effect on the individual movie’s box office. However, I find that in the long run, atypical combination may lead to a worse collective box-office performance due to the way it changes the market structure.

Keywords: Product similarity, Network, Community Structure, Firm learning, Motion Pictures

Suggested Citation

Wei, Yanhao, The Similarity Network of Motion Pictures (November 19, 2018). Management Science, 66(4), Available at SSRN: https://ssrn.com/abstract=2832252 or http://dx.doi.org/10.2139/ssrn.2832252

Yanhao Wei (Contact Author)

University of Southern California - Marshall School of Business ( email )

701 Exposition Blvd
Los Angeles, CA California 90089
United States

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